# timeline_get_marker_by_custom_data

Find a timeline marker by its custom data.

Agent View of the PolicyLayer registry record for `timeline_get_marker_by_custom_data`. HTML page: https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/timeline-get-marker-by-custom-data

## Facts

- Tool: `timeline_get_marker_by_custom_data`
- Server: DaVinci Resolve MCP (`samuelgursky/davinci-resolve-mcp`) — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp.md
- Homepage: https://github.com/samuelgursky/davinci-resolve-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "timeline_get_marker_by_custom_data",
    "arguments": {}
  }
}
```

## Why timeline_get_marker_by_custom_data is rated Low

This is a read-only operation that retrieves timeline marker information based on custom data attributes. It has no capacity to modify, delete, or execute external operations. The blast radius of misuse is minimal—an AI agent could only read marker metadata that already exists in the project. This aligns with the 'Read' category for data retrieval operations.

From the tool's own definition: "Tool name contains 'get' and description states 'Find a timeline marker' — a retrieval operation with no modification or deletion. The function queries existing marker metadata without side effects."

## Use case

AI agents call timeline_get_marker_by_custom_data to retrieve information from DaVinci Resolve MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches DaVinci Resolve MCP:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "timeline_get_marker_by_custom_data": {}
  }
}
```

## Other tools on DaVinci Resolve MCP (354)

- `archive_project` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/archive-project.md
- `clear_clip_flags` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/clear-clip-flags.md
- `clear_clip_transcription` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/clear-clip-transcription.md
- `clear_folder_transcription` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/clear-folder-transcription.md
- `clear_transcription` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/clear-transcription.md
- `close_project` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/close-project.md
- `delete_burn_in_preset` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-burn-in-preset.md
- `delete_clip_marker_at_frame` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-clip-marker-at-frame.md
- `delete_clip_marker_by_custom_data` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-clip-marker-by-custom-data.md
- `delete_clip_markers_by_color` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-clip-markers-by-color.md
- `delete_clip_mattes` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-clip-mattes.md
- `delete_color_group` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-color-group.md
- `delete_keyframe` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-keyframe.md
- `delete_layout_preset_tool` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-layout-preset-tool.md
- `delete_media_pool_clips` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-media-pool-clips.md
- `delete_media_pool_folders` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-media-pool-folders.md
- `delete_project` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-project.md
- `delete_project_folder` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-project-folder.md
- `delete_render_job` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-render-job.md
- `delete_render_preset` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-render-preset.md
- `delete_stills_from_album` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-stills-from-album.md
- `delete_timelines_by_id` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-timelines-by-id.md
- `delete_user_preferences_preset` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/delete-user-preferences-preset.md
- `folder_clear_transcription` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/folder-clear-transcription.md
- `folder_remove_motion_blur` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/folder-remove-motion-blur.md
- `graph_reset_all_grades` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/graph-reset-all-grades.md
- `quit_resolve` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/quit-resolve.md
- `ti_clear_flags` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/ti-clear-flags.md
- `ti_delete_fusion_comp` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/ti-delete-fusion-comp.md
- `ti_delete_marker_at_frame` — Destructive — https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp/ti-delete-marker-at-frame.md
- …and 324 more: https://policylayer.com/tools/samuelgursky-davinci-resolve-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=samuelgursky-davinci-resolve-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/samuelgursky-davinci-resolve-mcp
